Giancoli Physics

Principles with Applications
Peter Cullen Burbery

Work and Energy chapter 6

Work done by a Constant Force 6-1

Page 139

Work is the product of the magnitude of the displacement times the component of the force parallel to the displacement.
W=
F
∥
d
(
1
)
where
F
∥
is the component of the constant force
F
parallel to the displacement
d
.
We can also write
W=Fdcos(θ)
where F is the magnitude of the constant force, d is the magnitude of the displacement of the object, and θ is the angle between the directions of the force and the displacement (Fig. 6-1). The cos θ factor appears in
◼
  • Enter bulleted item text here.
  • Enter item paragraph text here.
    ◼
  • Enter subitem text here.
  • Enter item paragraph text here.
    ◼
  • Enter subitem text here.
  • Enter item paragraph text here.
    Enter text here. Enter formula for display in a separate cell below:
    ∫xx+
    z
    Enter text here. Enter an inline formula like this:
    2+2
    .
    1
    .
    Enter numbered item text here.
    Enter item paragraph text here.
    1
    .
    1
    .
    Enter numbered subitem text here.
    Enter item paragraph text here.
    1
    .
    1
    .
    1
    .
    Enter subitem text here.
    Enter item paragraph text here.
    Enter text here. Enter formula for numbered display in a separate cell below:
    ∫xx+
    z
    (
    2
    )
    Enter text here. Enter Wolfram Language program code below.
    fun[x_]:=1
    Enter text here. Enter non-Wolfram Language program code below.
    DLLEXPORT int fun(WolframLibraryData libData, mreal A1, mreal *Res)
    {
    mreal R0_0;
    mreal R0_1;
    R0_0 = A1;
    R0_1 = R0_0 * R0_0;
    *Res = R0_1;
    funStructCompile->WolframLibraryData_cleanUp(libData, 1);
    return 0;
    }